gecko-dev/build/unix/uniq.pl
2012-05-21 12:12:37 +01:00

92 lines
1.9 KiB
Perl
Executable File

#!/usr/bin/env perl
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
##----------------------------##
##---] CORE/CPAN INCLUDES [---##
##----------------------------##
use strict;
use warnings;
use Getopt::Long;
##-------------------##
##---] EXPORTS [---##
##-------------------##
our $VERSION = qw(1.1);
##-------------------##
##---] GLOBALS [---##
##-------------------##
my %argv;
my $modver = $Getopt::Long::VERSION || 0;
my $isOldGetopt = ($modver eq '2.25') ? 1 : 0;
###########################################################################
## Intent: Script init function
###########################################################################
sub init
{
if ($isOldGetopt)
{
# mozilla.build/mingw perl in need of an upgrade
# emulate Getopt::Long switch|short:init
foreach (qw(debug regex sort))
{
if (defined($argv{$_}))
{
$argv{$_} ||= 1;
}
}
}
} # init
##----------------##
##---] MAIN [---##
##----------------##
my @args = ($isOldGetopt)
? qw(debug|d regex|r sort|s)
: qw(debug|d:1 regex|r:1 sort|s:1)
;
unless(GetOptions(\%argv, @args))
{
print "Usage: $0\n";
print " --sort Sort list elements early\n";
print " --regex Exclude subdirs by pattern\n";
}
init();
my $debug = $argv{debug} || 0;
my %seen;
my @out;
my @in = ($argv{sort}) ? sort @ARGV : @ARGV;
foreach my $d (@in)
{
next if ($seen{$d}++);
print " arg is $d\n" if ($debug);
if ($argv{regex})
{
my $found = 0;
foreach my $dir (@out)
{
my $dirM = quotemeta($dir);
$found++, last if ($d eq $dir || $d =~ m!^${dirM}\/!);
}
print "Adding $d\n" if ($debug && !$found);
push @out, $d if (!$found);
} else {
print "Adding: $d\n" if ($debug);
push(@out, $d);
}
}
print "@out\n"
# EOF